<template>
	<view>
    <view class="login-container">
      <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons> 
      <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
      <text class="tips-text">登录后尽享更多权益</text>
    </view>
	</view>
</template>

<script>
  import {mapMutations,mapState} from 'vuex'
	export default {
		data() {
			return {
				
			};
		},
    computed:{
      ...mapState('m_user',['redirectInfo']),
    },
    methods:{
      ...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
      // 用户授权之后，获取用户的基本信息
      getUserInfo(e){
        console.log(e)
        if(e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登录授权！')
        console.log(e.detail.userInfo)
        this.updateUserInfo(e.detail.userInfo)
        
        this.getToken(e.detail)
      },
     async getToken(info){
        // 获取code 对应的值
       const [err,res] = await uni.login().catch(err=>err)
       console.log(res)
       if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败！')
       // console.log(res.code)
       // console.log(info)
       // 准备参数
       const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
      }
       console.log(query)
       // const {data: loginResult} = uni.$http.post('/api/public/v1/users/wxlogin',query)
       // console.log(loginResult)
       // if(loginResult.meta.status !== 200) return uni.$showMsg('登录失败！')

        // 直接把token保存到vuex中
        // this.updateToken(loginResult.message.token)
        this.updateToken('yxw')
        this.navigateBack()
      },
      navigateBack(){
        if(this.redirectInfo && this.redirectInfo.opentype === 'switchTab'){
          uni.switchTab({
            url:this.redirectInfo.from,
            complete:()=>{
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
	}
</script>

<style lang="scss">
.login-container{
  height: 750rpx;
  background-color: #F8F8F8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  
  &::after{
    content:' ';
    display:block;
    width:100%;
    height: 40px;
    background-color: white;
    position: absolute;
    bottom: 0;
    left: 0;
    border-radius: 100%;
    transform: translateY(50%);
    overflow: hidden;
  }
  .btn-login{
    width: 90%;
    border-radius:100px;
    margin: 15px 0;
    background-color: #C00000;
  }
  .tips-text{
    font-size: 12px;
    color: gray;
  }
}
</style>
